Letter sizes royal mail

Royal Mail, the postal service of the United Kingdom, offers a range of letter sizes to suit different types of mail. Here are the standard letter sizes used by Royal Mail:

  1. Large Letter: This is the largest letter size that can be sent as a standard letter. It measures up to 24 cm (9.4 in) in length, 17 cm (6.7 in) in width, and 5 mm (0.2 in) in thickness.
  2. Large Letter Card: This is a larger version of a standard letter card, measuring up to 24 cm (9.4 in) in length, 17 cm (6.7 in) in width, and 0.5 mm (0.02 in) in thickness.
  3. Large Letter Pack: This is a larger version of a standard letter pack, measuring up to 24 cm (9.4 in) in length, 17 cm (6.7 in) in width, and 5 mm (0.2 in) in thickness.
  4. Small Letter: This is the smallest letter size that can be sent as a standard letter. It measures up to 23 cm (9 in) in length, 16 cm (6.3 in) in width, and 5 mm (0.2 in) in thickness.
  5. Small Letter Card: This is a smaller version of a standard letter card, measuring up to 23 cm (9 in) in length, 16 cm (6.3 in) in width, and 0.5 mm (0.02 in) in thickness.

It's worth noting that Royal Mail has specific guidelines for the maximum weight and thickness of letters, as well as the types of materials that can be used. For example, letters must not exceed 100g in weight, and must not be thicker than 5 mm (0.2 in).

If you're unsure about the size or weight of your letter, it's always best to check with Royal Mail or consult their website for more information.